India, Jan. 7 -- Police on Tuesday said the 25-year-old man who confessed to killing his mother, sister, and 14-year-old brother at their residence in east Delhi's Laxmi Nagar has been booked for the murders even as they investigate the possibility that the incident may have been a failed suicide pact.

On Monday, the accused, identified by police as Yashveer Singh, a cab driver by profession, walked into the Laxmi Nagar police station around 5pm and surrendered, investigators said. He confessed to killing his family members due to financial stress and told officers that he had mixed dhatura - a poisonous plant - into the sweets he fed them. However, police said the exact substance used is yet to be confirmed as Singh had been repeatedly ...